THANKS to Ian Chapple of the European Patent Office for alerting us to the “Walking through walls training system”. That is the title of , filed by John St Clair of San Juan, Puerto Rico, back in 2006. A session with a famous web search engine shows that others before us have enjoyed perusing this literary gem, but it was new to us and may be to you, too.
To give you an idea of its content, here is the abstract: “This invention is a training system that enables a human being…
